net.sf.mmm.util.query.api.expression

Interface ExpressionFormatter

All Known Implementing Classes:

SimpleExpressionFormatter, SqlBuilder

public interface ExpressionFormatter

This is a callback interface used to format Expressions.

Since:

8.0.0

Author:

hohwille

Method Summary

Modifier and Type	Method and Description
default void	append(Argument<?> argument)
default void	append(CharSequence string)
default void	append(Object object)
default void	append(SqlOperator<?,?> operator, Argument<?> argument)
default String	format(Conjunction conjunction)
StringBuilder	getBuffer()
boolean	isResolveNegativeConjunctions()

Method Detail

getBuffer

StringBuilder getBuffer()

Returns:

the StringBuilder where to append the Expression to format.

append

default void append(Argument<?> argument)

Parameters:

argument - the Argument to append.

append

default void append(SqlOperator<?,?> operator,
                    Argument<?> argument)

Parameters:

operator - the SqlOperator to append.

argument - the Argument to append.

append

default void append(CharSequence string)

Parameters:

string - the CharSequence to append to the buffer.

append

default void append(Object object)

Parameters:

object - the Object to append to the buffer.

format

default String format(Conjunction conjunction)

Parameters:

conjunction - the Conjunction to append.

Returns:

the preferred String representation of the Conjunction.

isResolveNegativeConjunctions

boolean isResolveNegativeConjunctions()

Returns:

true if negative Conjunctions should be resolved via negation (e.g. !(a OR b) instead of a NOR b), false otherwise.